Claudia Marshall Mellott, L.C.P.C., C.A.D.C.

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

17699 Issued in IL

Practice address

5147 Main St
Suite a
Downers Grove, IL 60515-4615

Phone

(630) 663-0793

NPI assigned

Jan 22, 2007

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Jan 30, 2025 through Jan 30, 2027

Medicare enrollment (NPD)

Not enrolled

State licenses

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1169424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1982758405",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5147 MAIN ST",
            "address_2": "SUITE A",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605154615",
            "telephone_number": "630-663-0793"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5147 MAIN ST",
            "address_2": "SUITE A",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605154615",
            "telephone_number": "630-663-0793"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MELLOTT",
        "first_name": "CLAUDIA",
        "middle_name": "MARSHALL",
        "name_prefix": "Ms.",
        "credential": "L.C.P.C., C.A.D.C.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-01-22",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "IL",
            "license": "17699",
            "primary": true
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "IL",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Addiction (Substance Use Disorder) Counselor in Downers Grove, IL
• Providers in Downers Grove, IL by specialty
• Addiction (Substance Use Disorder) Counselor in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.